140227615 has 16 divisors (see below), whose sum is σ = 189902880. Its totient is φ = 98465920.

The previous prime is 140227613. The next prime is 140227643. The reversal of 140227615 is 516722041.

It is not a de Polignac number, because 140227615 - 2¹ = 140227613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140227613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42364 + ... + 45553.

It is an arithmetic number, because the mean of its divisors is an integer number (11868930).

Almost surely, 2^140227615 is an apocalyptic number.

140227615 is a deficient number, since it is larger than the sum of its proper divisors (49675265).

140227615 is a wasteful number, since it uses less digits than its factorization.

140227615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87962.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 140227615 is about 11841.7741491721. The cubic root of 140227615 is about 519.5306600920.

Adding to 140227615 its reverse (516722041), we get a palindrome (656949656).

The spelling of 140227615 in words is "one hundred forty million, two hundred twenty-seven thousand, six hundred fifteen".